模数转换器AD 7888的应用探讨

Discussion of the Application About A/D Convertor AD 7888

AD 7888是12位8通道串行模数转换器,采用单电源供电.详细阐述了低功耗、高精度A/D转换器AD 7888的特点、引脚功能、时序图、控制寄存器、工作模式选择和外部接口;给出了AD 7888与单片机AT 89 C 51的硬件接口电路和不同读写方式下的程序流程图.

AD 7888 is the 12-bit and 8-channel serial A/D which works by only a power.The characteristic,the function of the pins,the sequence chart,control register,work pattern option and external interfaces of the A/D convertor AD 7888 with low-power and high-precision are elaborated in detail;and explores the hardware interface circuit and the program flow charts under different read-write modes about AD 7888 and the microcontroller AT 89 C 51.